PQ60033SMX15 Datasheet, PDF (5/15 Pages) SynQor Worldwide Headquarters – Output current limit and short circuit protection

Technical Specification
Input: 48V
Output: 3.3V
Current: 15A
PQ60033SMx15 Electrical Characteristics (continued)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C ambient temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min. Typ. Max. Units Notes & Conditions
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection
80
dB 120 Hz; Figure 20
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
125
mV 50% to 75% to 50% Iout max; Figure 11
Step Change in Output Current (2 A/µs)
150
mV 50% to 75% to 50% Iout max; Figure 12
Settling Time
200
µs To within 1% Vout nom
Turn-On Transient
Turn-On Time
35
ms Full load, Vout=90% nom.
Start-Up Inhibit Time
180
200
250
ms Figure F; See Note 1
Power-Up Inhibit Time
2
ms Figure F
Output Voltage Overshoot
0
% Max output capacitance and full load
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
2250
Isolation Resistance
30
MΩ
Isolation Capacitance (input to output)
1000
pF See Note 2
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
125
°C Package rated to 150 °C
Board Temperature
125
°C UL rated max operating temp 130 °C
Transformer Temperature
125
°C See Figure 2 for derating curve
FEATURE CHARACTERISTICS
Switching Frequency
315
350
385
kHz
ON/OFF Control (Option P)
On-State Voltage
2.4
8
V
Off-State Voltage
-2
0.8
V
ON/OFF Control (Option N)
On-State Voltage
-2
0.8
V
Off-State Voltage
2.4
8
V
ON/OFF Control (Either option)
Figures A & B
Pull-Up Voltage
4.5
5
5.5
V
Pull-Up Resistance
10
kΩ
Output Voltage Trim Range
-10
10
% Measured across Pins 8 & 4; Figure C
Output Voltage Remote Sense Range
10
% Measured across Pins 8 & 4
Output Over-Voltage Protection
3.7
4.2
4.6
V Over full temp range
Over-Temperature Shutdown OTP Trip Point
125
°C Average PCB Temperature; Auto Recovery
Over-Temperature Shutdown Restart Hysteresis
10
°C
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
Calculated MTBF (MIL-217) MIL-HDBK-217F
Field Demonstrated MTBF
3.9
106 Hrs.
3.5
106 Hrs.
106 Hrs. See our website for details
Note 1: Maximum value is 400ms for DC current limit and short circuit fault conditions
Note 2: Higher values of isolation capacitance can be added external to the module.
Product # PQ60033SMx15
Phone [phone]
www.synqor.com
Doc.# 005-0005163 Rev. C
06/28/11
Page 5